This is how it would look on a graph.
The answer is d its decreasing
Yes. It is a Geometric sequence!
Common ratio = a2/a1 = 12/6 = 2
In short, Your Answer would be Option A
Hope this helps!
Old
9.99×55
=549.45
New
10.68×55
=587.4
((10.68÷9.99)−1)×100
=6.9%
B) negative
C) -3/4
D) y= -2x + 5 the last one might not be right